As with just about any asset, a coin's value is determined by its market demand. This means that coins in short supply often see higher demand -- and higher values. With coins, supplies are limited ...

The US Department of the Treasury will officially be phasing out the penny from circulation once the current stock of blanks for minting is used up. Brad Smith reports more on this news. To watch ...

The US is discontinuing pennies. Here's what you should know about the coin. Maya Bell. ... New Zealand has stopped minting its one-cent, two-cent and five-cent coins, Govmint said.